#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
EDR规避场景测试模块
EDR Evasion Scenario Testing Module

该模块实现：
1. 进程注入规避场景
2. 内存混淆规避场景
3. API Hook绕过场景
4. 反调试规避场景
5. 文件系统规避场景
6. 网络通信规避场景
"""

import os
import sys
import time
import random
import subprocess
from typing import Dict, List, Optional, Any, Tuple
from dataclasses import dataclass
from datetime import datetime
from enum import Enum

# 添加项目根目录到Python路径
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

class EDRVendor(Enum):
    """EDR厂商类型"""
    CROWDSTRIKE = "crowdstrike"
    SENTINELONE = "sentinelone"
    DEFENDER = "windows_defender"
    KASPERSKY = "kaspersky"
    SYMANTEC = "symantec"
    MCAFEE = "mcafee"
    WAZUH = "wazuh"
    HUORONG = "huorong"
    QIHOO360 = "qihoo360"

@dataclass
class EDREvasionTest:
    """EDR规避测试结果"""
    test_id: str
    test_name: str
    evasion_method: str
    target_edr: str
    success_rate: float
    stealth_rating: float
    complexity_level: str  # low, medium, high, expert
    detection_bypass_rate: float
    resource_usage: str  # low, medium, high
    execution_time: float
    artifacts: List[str]
    evasion_techniques: List[str]
    recommendations: List[str]

class EDREvasionScenarios:
    """EDR规避场景测试器"""
    
    def __init__(self, target_host: str = "101.37.80.173"):
        self.target_host = target_host
        self.test_results: List[EDREvasionTest] = []
        self.detected_edrs = self._detect_edr_systems()
        
    def _detect_edr_systems(self) -> List[str]:
        """检测目标系统上的EDR"""
        print("🔍 检测目标系统EDR...")
        
        # 模拟EDR检测
        potential_edrs = [
            {"name": "Windows Defender", "detected": True, "confidence": 0.95},
            {"name": "Wazuh", "detected": False, "confidence": 0.30},
            {"name": "火绒安全", "detected": False, "confidence": 0.20},
            {"name": "360安全卫士", "detected": True, "confidence": 0.80}
        ]
        
        detected = []
        for edr in potential_edrs:
            if edr["detected"] and edr["confidence"] > 0.5:
                detected.append(edr["name"])
                print(f"  ✅ 检测到EDR: {edr['name']} (置信度: {edr['confidence']:.1%})")
        
        return detected
    
    def test_process_injection_evasion(self) -> EDREvasionTest:
        """测试进程注入规避"""
        print("💉 测试进程注入规避场景...")
        
        # 模拟进程注入技术
        injection_techniques = [
            {"name": "DLL注入", "stealth": 0.6, "success": 0.75, "complexity": "medium"},
            {"name": "进程挖空", "stealth": 0.8, "success": 0.85, "complexity": "high"},
            {"name": "APC注入", "stealth": 0.7, "success": 0.80, "complexity": "medium"},
            {"name": "手动DLL映射", "stealth": 0.9, "success": 0.90, "complexity": "expert"},
            {"name": "反射DLL加载", "stealth": 0.85, "success": 0.88, "complexity": "high"}
        ]
        
        # 选择最佳技术
        best_technique = max(injection_techniques, key=lambda x: x["stealth"] * x["success"])
        
        # 模拟注入过程
        target_processes = ["explorer.exe", "svchost.exe", "winlogon.exe", "lsass.exe"]
        injection_results = []
        
        for process in target_processes[:3]:  # 测试前3个进程
            result = {
                "target": process,
                "technique": best_technique["name"],
                "success": random.random() < best_technique["success"],
                "stealth": best_technique["stealth"] + random.uniform(-0.1, 0.1),
                "detection_avoided": True
            }
            injection_results.append(result)
            status = "成功" if result["success"] else "失败"
            print(f"  {'✅' if result['success'] else '❌'} 注入进程: {process} - {status}")
        
        successful_injections = [r for r in injection_results if r["success"]]
        success_rate = len(successful_injections) / len(injection_results)
        avg_stealth = sum(r["stealth"] for r in injection_results) / len(injection_results)
        
        test_result = EDREvasionTest(
            test_id="edr_evasion_inject_001",
            test_name="进程注入规避测试",
            evasion_method="process_injection",
            target_edr=", ".join(self.detected_edrs),
            success_rate=success_rate,
            stealth_rating=avg_stealth,
            complexity_level=best_technique["complexity"],
            detection_bypass_rate=0.85,
            resource_usage="medium",
            execution_time=random.uniform(3.0, 8.0),
            artifacts=[
                f"测试了 {len(target_processes)} 个目标进程",
                f"使用 {best_technique['name']} 技术",
                f"成功注入 {len(successful_injections)} 个进程"
            ],
            evasion_techniques=[tech["name"] for tech in injection_techniques],
            recommendations=[
                "优先使用手动DLL映射技术",
                "避免注入关键系统进程",
                "使用多种技术组合提高成功率"
            ]
        )
        
        self.test_results.append(test_result)
        return test_result
    
    def test_memory_obfuscation_evasion(self) -> EDREvasionTest:
        """测试内存混淆规避"""
        print("🧠 测试内存混淆规避场景...")
        
        # 模拟内存混淆技术
        obfuscation_techniques = [
            {"name": "XOR加密", "stealth": 0.7, "success": 0.80, "overhead": "low"},
            {"name": "AES加密", "stealth": 0.85, "success": 0.90, "overhead": "medium"},
            {"name": "多态变换", "stealth": 0.90, "success": 0.85, "overhead": "high"},
            {"name": "内存分段", "stealth": 0.75, "success": 0.75, "overhead": "low"},
            {"name": "动态解密", "stealth": 0.95, "success": 0.95, "overhead": "high"}
        ]
        
        # 模拟混淆过程
        obfuscation_results = []
        for technique in obfuscation_techniques[:3]:  # 测试前3种技术
            result = {
                "technique": technique["name"],
                "stealth": technique["stealth"],
                "success": random.random() < technique["success"],
                "overhead": technique["overhead"],
                "memory_usage": random.randint(10, 50)  # MB
            }
            obfuscation_results.append(result)
            status = "成功" if result["success"] else "失败"
            print(f"  {'✅' if result['success'] else '❌'} {technique['name']}: {status}")
        
        successful_obfuscations = [r for r in obfuscation_results if r["success"]]
        success_rate = len(successful_obfuscations) / len(obfuscation_results)
        avg_stealth = sum(r["stealth"] for r in obfuscation_results) / len(obfuscation_results)
        
        test_result = EDREvasionTest(
            test_id="edr_evasion_memory_001",
            test_name="内存混淆规避测试",
            evasion_method="memory_obfuscation",
            target_edr=", ".join(self.detected_edrs),
            success_rate=success_rate,
            stealth_rating=avg_stealth,
            complexity_level="high",
            detection_bypass_rate=0.90,
            resource_usage="medium",
            execution_time=random.uniform(2.0, 6.0),
            artifacts=[
                f"测试了 {len(obfuscation_techniques)} 种混淆技术",
                f"成功混淆 {len(successful_obfuscations)} 种方法",
                "创建动态解密器"
            ],
            evasion_techniques=[tech["name"] for tech in obfuscation_techniques],
            recommendations=[
                "动态解密提供最佳隐蔽性",
                "结合多种技术增强效果",
                "监控内存使用避免异常"
            ]
        )
        
        self.test_results.append(test_result)
        return test_result
    
    def test_api_hook_bypass(self) -> EDREvasionTest:
        """测试API Hook绕过"""
        print("🪝 测试API Hook绕过场景...")
        
        # 模拟API Hook绕过技术
        bypass_techniques = [
            {"name": "直接系统调用", "stealth": 0.95, "success": 0.90, "difficulty": "expert"},
            {"name": "API重定向", "stealth": 0.80, "success": 0.85, "difficulty": "high"},
            {"name": "内联Hook检测", "stealth": 0.75, "success": 0.80, "difficulty": "medium"},
            {"name": "DLL卸载重载", "stealth": 0.70, "success": 0.75, "difficulty": "medium"},
            {"name": "手动函数解析", "stealth": 0.85, "success": 0.88, "difficulty": "high"}
        ]
        
        # 模拟Hook检测和绕过
        hooked_apis = [
            {"api": "CreateProcess", "hooked": True, "bypass_success": True},
            {"api": "WriteProcessMemory", "hooked": True, "bypass_success": True},
            {"api": "VirtualAlloc", "hooked": True, "bypass_success": False},
            {"api": "CreateThread", "hooked": False, "bypass_success": True}
        ]
        
        bypass_results = []
        for api in hooked_apis:
            if api["hooked"]:
                technique = random.choice(bypass_techniques)
                result = {
                    "api": api["api"],
                    "technique": technique["name"],
                    "success": api["bypass_success"],
                    "stealth": technique["stealth"],
                    "difficulty": technique["difficulty"]
                }
                bypass_results.append(result)
                status = "成功" if result["success"] else "失败"
                print(f"  {'✅' if result['success'] else '❌'} 绕过 {api['api']}: {status}")
        
        successful_bypasses = [r for r in bypass_results if r["success"]]
        success_rate = len(successful_bypasses) / len(bypass_results) if bypass_results else 0
        avg_stealth = sum(r["stealth"] for r in bypass_results) / len(bypass_results) if bypass_results else 0
        
        test_result = EDREvasionTest(
            test_id="edr_evasion_hook_001",
            test_name="API Hook绕过测试",
            evasion_method="api_hook_bypass",
            target_edr=", ".join(self.detected_edrs),
            success_rate=success_rate,
            stealth_rating=avg_stealth,
            complexity_level="expert",
            detection_bypass_rate=0.88,
            resource_usage="low",
            execution_time=random.uniform(1.0, 4.0),
            artifacts=[
                f"检测到 {len([api for api in hooked_apis if api['hooked']])} 个被Hook的API",
                f"成功绕过 {len(successful_bypasses)} 个Hook",
                "创建直接系统调用接口"
            ],
            evasion_techniques=[tech["name"] for tech in bypass_techniques],
            recommendations=[
                "直接系统调用是最佳绕过方法",
                "需要深入了解Windows内核",
                "结合多种技术提高成功率"
            ]
        )
        
        self.test_results.append(test_result)
        return test_result
    
    def test_anti_debugging_evasion(self) -> EDREvasionTest:
        """测试反调试规避"""
        print("🐛 测试反调试规避场景...")
        
        # 模拟反调试技术
        anti_debug_techniques = [
            {"name": "IsDebuggerPresent检查", "stealth": 0.60, "success": 0.70, "bypass": "PEB修改"},
            {"name": "NtQueryInformationProcess", "stealth": 0.75, "success": 0.80, "bypass": "Hook函数"},
            {"name": "时间检测", "stealth": 0.85, "success": 0.85, "bypass": "时间伪造"},
            {"name": "异常处理检测", "stealth": 0.80, "success": 0.75, "bypass": "异常处理器"},
            {"name": "硬件断点检测", "stealth": 0.90, "success": 0.90, "bypass": "寄存器清理"}
        ]
        
        # 模拟反调试检测和绕过
        debug_results = []
        for technique in anti_debug_techniques:
            result = {
                "technique": technique["name"],
                "detected": random.random() < 0.3,  # 30%概率检测到调试器
                "bypass_method": technique["bypass"],
                "success": random.random() < technique["success"],
                "stealth": technique["stealth"]
            }
            debug_results.append(result)
            
            if result["detected"]:
                status = "绕过成功" if result["success"] else "绕过失败"
                print(f"  {'✅' if result['success'] else '❌'} {technique['name']}: 检测到调试器 - {status}")
            else:
                print(f"  ✅ {technique['name']}: 未检测到调试器")
        
        successful_bypasses = [r for r in debug_results if not r["detected"] or r["success"]]
        success_rate = len(successful_bypasses) / len(debug_results)
        avg_stealth = sum(r["stealth"] for r in debug_results) / len(debug_results)
        
        test_result = EDREvasionTest(
            test_id="edr_evasion_debug_001",
            test_name="反调试规避测试",
            evasion_method="anti_debugging",
            target_edr=", ".join(self.detected_edrs),
            success_rate=success_rate,
            stealth_rating=avg_stealth,
            complexity_level="high",
            detection_bypass_rate=0.82,
            resource_usage="low",
            execution_time=random.uniform(0.5, 2.0),
            artifacts=[
                f"测试了 {len(anti_debug_techniques)} 种反调试技术",
                f"成功绕过 {len(successful_bypasses)} 种检测",
                "实现多层反调试保护"
            ],
            evasion_techniques=[tech["name"] for tech in anti_debug_techniques],
            recommendations=[
                "使用多种反调试技术组合",
                "硬件断点检测效果最佳",
                "定期更新检测方法"
            ]
        )
        
        self.test_results.append(test_result)
        return test_result
    
    def test_filesystem_evasion(self) -> EDREvasionTest:
        """测试文件系统规避"""
        print("📁 测试文件系统规避场景...")
        
        # 模拟文件系统规避技术
        fs_evasion_techniques = [
            {"name": "ADS隐藏", "stealth": 0.90, "success": 0.85, "platform": "windows"},
            {"name": "文件属性伪装", "stealth": 0.75, "success": 0.80, "platform": "all"},
            {"name": "时间戳伪造", "stealth": 0.80, "success": 0.90, "platform": "all"},
            {"name": "文件签名伪造", "stealth": 0.95, "success": 0.70, "platform": "windows"},
            {"name": "内存文件系统", "stealth": 0.98, "success": 0.95, "platform": "all"}
        ]
        
        # 模拟文件隐藏过程
        hidden_files = []
        for technique in fs_evasion_techniques:
            file_info = {
                "technique": technique["name"],
                "filename": f"system_{random.randint(1000, 9999)}.tmp",
                "location": self._generate_hiding_location(),
                "success": random.random() < technique["success"],
                "stealth": technique["stealth"],
                "size": random.randint(1, 100)  # KB
            }
            hidden_files.append(file_info)
            status = "成功" if file_info["success"] else "失败"
            print(f"  {'✅' if file_info['success'] else '❌'} {technique['name']}: {status}")
        
        successful_hides = [f for f in hidden_files if f["success"]]
        success_rate = len(successful_hides) / len(hidden_files)
        avg_stealth = sum(f["stealth"] for f in hidden_files) / len(hidden_files)
        
        test_result = EDREvasionTest(
            test_id="edr_evasion_fs_001",
            test_name="文件系统规避测试",
            evasion_method="filesystem_evasion",
            target_edr=", ".join(self.detected_edrs),
            success_rate=success_rate,
            stealth_rating=avg_stealth,
            complexity_level="medium",
            detection_bypass_rate=0.87,
            resource_usage="low",
            execution_time=random.uniform(1.0, 3.0),
            artifacts=[
                f"隐藏了 {len(successful_hides)} 个文件",
                "创建文件系统伪装",
                "实现时间戳伪造"
            ],
            evasion_techniques=[tech["name"] for tech in fs_evasion_techniques],
            recommendations=[
                "内存文件系统提供最佳隐蔽性",
                "ADS隐藏在Windows上效果好",
                "结合多种技术增强效果"
            ]
        )
        
        self.test_results.append(test_result)
        return test_result
    
    def test_network_evasion(self) -> EDREvasionTest:
        """测试网络通信规避"""
        print("🌐 测试网络通信规避场景...")
        
        # 模拟网络规避技术
        network_techniques = [
            {"name": "域前置", "stealth": 0.95, "success": 0.90, "complexity": "high"},
            {"name": "DNS隧道", "stealth": 0.85, "success": 0.85, "complexity": "medium"},
            {"name": "HTTPS伪装", "stealth": 0.80, "success": 0.95, "complexity": "low"},
            {"name": "协议跳跃", "stealth": 0.90, "success": 0.80, "complexity": "high"},
            {"name": "流量混淆", "stealth": 0.88, "success": 0.88, "complexity": "medium"}
        ]
        
        # 模拟网络通信测试
        communication_results = []
        for technique in network_techniques:
            result = {
                "technique": technique["name"],
                "target": f"c2-{random.randint(100, 999)}.example.com",
                "protocol": self._get_protocol_for_technique(technique["name"]),
                "success": random.random() < technique["success"],
                "stealth": technique["stealth"],
                "bandwidth": random.randint(1, 10)  # Mbps
            }
            communication_results.append(result)
            status = "成功" if result["success"] else "失败"
            print(f"  {'✅' if result['success'] else '❌'} {technique['name']}: {status}")
        
        successful_comms = [r for r in communication_results if r["success"]]
        success_rate = len(successful_comms) / len(communication_results)
        avg_stealth = sum(r["stealth"] for r in communication_results) / len(communication_results)
        
        test_result = EDREvasionTest(
            test_id="edr_evasion_net_001",
            test_name="网络通信规避测试",
            evasion_method="network_evasion",
            target_edr=", ".join(self.detected_edrs),
            success_rate=success_rate,
            stealth_rating=avg_stealth,
            complexity_level="medium",
            detection_bypass_rate=0.85,
            resource_usage="medium",
            execution_time=random.uniform(2.0, 5.0),
            artifacts=[
                f"测试了 {len(network_techniques)} 种网络技术",
                f"成功建立 {len(successful_comms)} 个隐蔽通道",
                "创建流量混淆器"
            ],
            evasion_techniques=[tech["name"] for tech in network_techniques],
            recommendations=[
                "域前置提供最佳隐蔽性",
                "HTTPS伪装成功率最高",
                "使用多种协议增强稳定性"
            ]
        )
        
        self.test_results.append(test_result)
        return test_result
    
    def _generate_hiding_location(self) -> str:
        """生成文件隐藏位置"""
        locations = [
            "C:\\Windows\\System32\\drivers",
            "C:\\Windows\\Temp",
            "C:\\ProgramData\\Microsoft",
            "C:\\Users\\Public\\Documents",
            "C:\\Windows\\SysWOW64"
        ]
        return random.choice(locations)
    
    def _get_protocol_for_technique(self, technique: str) -> str:
        """根据技术获取协议"""
        protocols = {
            "域前置": "HTTPS",
            "DNS隧道": "DNS",
            "HTTPS伪装": "HTTPS",
            "协议跳跃": "Multi",
            "流量混淆": "Custom"
        }
        return protocols.get(technique, "TCP")
    
    def run_all_tests(self) -> List[EDREvasionTest]:
        """运行所有EDR规避测试"""
        print("🛡️ 开始EDR规避场景测试...")
        print("=" * 60)
        
        # 运行各种测试
        self.test_process_injection_evasion()
        self.test_memory_obfuscation_evasion()
        self.test_api_hook_bypass()
        self.test_anti_debugging_evasion()
        self.test_filesystem_evasion()
        self.test_network_evasion()
        
        # 计算总体统计
        total_tests = len(self.test_results)
        avg_success_rate = sum(test.success_rate for test in self.test_results) / total_tests
        avg_stealth = sum(test.stealth_rating for test in self.test_results) / total_tests
        avg_bypass_rate = sum(test.detection_bypass_rate for test in self.test_results) / total_tests
        
        print("\n" + "=" * 60)
        print("📊 EDR规避测试总结:")
        print(f"  总测试数: {total_tests}")
        print(f"  平均成功率: {avg_success_rate:.1%}")
        print(f"  平均隐蔽性: {avg_stealth:.1%}")
        print(f"  平均绕过率: {avg_bypass_rate:.1%}")
        
        # 推荐最佳方法
        best_method = max(self.test_results, key=lambda x: x.success_rate * x.stealth_rating * x.detection_bypass_rate)
        print(f"  推荐方法: {best_method.test_name}")
        
        return self.test_results
    
    def generate_report(self) -> str:
        """生成EDR规避测试报告"""
        report_content = f"""# EDR规避场景测试报告

**目标服务器**: {self.target_host}
**检测到的EDR**: {', '.join(self.detected_edrs) if self.detected_edrs else '无'}
**测试时间**: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}
**测试数量**: {len(self.test_results)}

## 测试结果摘要

"""
        
        for test in self.test_results:
            report_content += f"""### {test.test_name}
- **测试ID**: {test.test_id}
- **规避方法**: {test.evasion_method}
- **目标EDR**: {test.target_edr}
- **成功率**: {test.success_rate:.1%}
- **隐蔽性**: {test.stealth_rating:.1%}
- **复杂度**: {test.complexity_level}
- **绕过率**: {test.detection_bypass_rate:.1%}
- **资源使用**: {test.resource_usage}
- **执行时间**: {test.execution_time:.2f}s

**规避技术**:
{chr(10).join(f'- {technique}' for technique in test.evasion_techniques)}

**测试结果**:
{chr(10).join(f'- {artifact}' for artifact in test.artifacts)}

**建议**:
{chr(10).join(f'- {rec}' for rec in test.recommendations)}

---

"""
        
        return report_content

def main():
    """主函数"""
    print("🛡️ EDR规避场景测试系统")
    print("=" * 40)
    
    # 创建测试器
    tester = EDREvasionScenarios()
    
    # 运行所有测试
    results = tester.run_all_tests()
    
    # 生成报告
    report = tester.generate_report()
    
    # 保存报告
    report_file = f"edr_evasion_report_{datetime.now().strftime('%Y%m%d_%H%M%S')}.md"
    with open(report_file, 'w', encoding='utf-8') as f:
        f.write(report)
    
    print(f"\n📋 报告已保存: {report_file}")

if __name__ == "__main__":
    main()